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4015 Aluminum vs. Grade 35 Titanium

4015 aluminum belongs to the aluminum alloys classification, while grade 35 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 4015 aluminum and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 23
5.6
Fatigue Strength, MPa 46 to 71
330
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 82 to 120
580
Tensile Strength: Ultimate (UTS), MPa 130 to 220
1000
Tensile Strength: Yield (Proof), MPa 50 to 200
630

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Maximum Temperature: Mechanical, °C 160
320
Melting Completion (Liquidus), °C 640
1630
Melting Onset (Solidus), °C 600
1580
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 160
7.4
Thermal Expansion, µm/m-K 23
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.7
4.6
Embodied Carbon, kg CO2/kg material 8.1
33
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1160
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4 to 24
49
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 290
1830
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 13 to 22
61
Strength to Weight: Bending, points 21 to 30
49
Thermal Diffusivity, mm2/s 66
3.0
Thermal Shock Resistance, points 5.7 to 9.7
70

Alloy Composition

Aluminum (Al), % 94.9 to 97.9
4.0 to 5.0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0.2 to 0.8
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0
Molybdenum (Mo), % 0
1.5 to 2.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 1.4 to 2.2
0.2 to 0.4
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0
1.1 to 2.1
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4